org.apache.mahout.classifier.df.node

Class Node

java.lang.Object

org.apache.mahout.classifier.df.node.Node

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Direct Known Subclasses:

CategoricalNode, Leaf, NumericalNode

Deprecated.

@Deprecated
public abstract class Node
extends Object
implements org.apache.hadoop.io.Writable

Represents an abstract node of a decision tree

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Node.Type Deprecated.

Constructor Summary

Constructors

Constructor and Description
Node() Deprecated.

Method Summary

Modifier and Type	Method and Description
abstract double	classify(Instance instance) Deprecated. predicts the label for the instance
protected abstract String	getString() Deprecated.
protected abstract Node.Type	getType() Deprecated.
abstract long	maxDepth() Deprecated.
abstract long	nbNodes() Deprecated.
static Node	read(DataInput in) Deprecated.
String	toString() Deprecated.
void	write(DataOutput out) Deprecated.
protected abstract void	writeNode(DataOutput out) Deprecated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.hadoop.io.Writable

readFields

Constructor Detail

Node

public Node()

Deprecated.

Method Detail

classify

public abstract double classify(Instance instance)

Deprecated.

predicts the label for the instance

Returns:

-1 if the label cannot be predicted

nbNodes

public abstract long nbNodes()

Deprecated.

Returns:

the total number of nodes of the tree

maxDepth

public abstract long maxDepth()

Deprecated.

Returns:

the maximum depth of the tree

getType

protected abstract Node.Type getType()

Deprecated.

read

public static Node read(DataInput in)
                 throws IOException

Deprecated.

Throws:

IOException

toString

public final String toString()

Deprecated.

Overrides:

toString in class Object

getString

protected abstract String getString()

Deprecated.

write

public final void write(DataOutput out)
                 throws IOException

Deprecated.

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

writeNode

protected abstract void writeNode(DataOutput out)
                           throws IOException

Deprecated.

Throws:

IOException